SwapChainWebGPU.h

#pragma once
 
#include "CommonWebGPU.h"
 
#include "../ISwapChain.h"
 
namespace Cogs {
  class SwapChainWebGPU : public ISwapChain {
  public:
    SwapChainWebGPU();
    ~SwapChainWebGPU();
 
    void initialize(WGPUDevice device, WGPUSurface surface);
    void destroy();
 
    void create();
 
    virtual void beginFrame() override;
    virtual void endFrame(uint32_t syncInterval = 0, uint32_t presentFlags = PresentFlags::None) override;
 
    virtual void setSize(int newWidth, int newHeight, bool forceIt = false) override;
    virtual void setFullscreen(bool enabled) override;
 
    virtual bool isFullscreen() override;
 
    virtual int getWidth() const override    { return set_width; }
    virtual int getHeight() const override   { return set_height; }
    virtual int getSamples() const override  { return samples; }
 
    virtual const RenderTargetHandle& getRenderTarget() const;
    virtual const DepthStencilHandle& getDepthStencil() const;
 
    WGPUDevice device = {};
    WGPUSurface surface = {};
    WGPUSwapChain swapChain = {};
 
    WGPUTexture colorBufferTexture = {};
    WGPUTextureView colorBufferView = {};
 
    WGPUTexture depthBufferTexture = {};
    WGPUTextureView depthBufferView = {};
 
#ifndef EMSCRIPTEN
    WGPUTexture resolveTexture = {};
#endif
    WGPUTextureView resolveView = {};
 
    int set_width = 1920;
    int set_height = 1080;
    int samples = 4;
    bool resize = false;
 
#ifdef EMSCRIPTEN
    WGPUTextureFormat swap_chain_format = WGPUTextureFormat_BGRA8Unorm;
    WGPUTextureFormat color_format = WGPUTextureFormat_BGRA8Unorm;
    WGPUTextureFormat depth_format = WGPUTextureFormat_Depth32Float;
#else
    WGPUTextureFormat swap_chain_format = WGPUTextureFormat_BGRA8Unorm;
    WGPUTextureFormat color_format = WGPUTextureFormat_BGRA8UnormSrgb;
    WGPUTextureFormat depth_format = WGPUTextureFormat_Depth32Float;
#endif
  };
}